Question

multiple choice question
during moderately prolonged exercise, is the recommended fluid replacement to help maintain electrolyte balance.

carbohydrate solution
water
protein shake
salt water

Explanation:

During moderately prolonged exercise, salt water helps maintain electrolyte balance as it contains sodium and other electrolytes lost through sweating. Carbohydrate solutions are mainly for energy, water alone does not replenish electrolytes, and protein shakes are for muscle - repair and growth rather than electrolyte balance.

Answer:

salt water